add docker-ce role

defaults/main.yml

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+---
+docker_version: "20.10.9-3.el{{ansible_distribution_major_version}}"

tasks/centos.yml

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+---
+
+- name: Add Docker CE Stable repo
+  yum_repository:
+    name: "docker-ce-stable"
+    description: "Docker CE Stable - $basearch"
+    file: docker-ce
+    baseurl: "https://download.docker.com/linux/centos/$releasever/$basearch/stable"
+    enabled: no
+    gpgcheck: yes
+    gpgkey: "https://download.docker.com/linux/centos/gpg"
+    async: yes
+
+
+- name: Ensure docker version {{ docker_version }} installed
+  yum:
+    name: "docker-ce-{{ docker_version }}"
+    state: present
+    enablerepo: "docker-ce-stable"
+
+- name: Ensure docker service enabled and started
+  systemd:
+    name: docker
+    enabled: yes
+    state: started
+
+- name: Ensure python-docker-py installed
+  yum:
+    name: python-docker-py
+    state: present
+    enablerepo: extras
+  when:
+    - ansible_os_family == 'RedHat'
+    - ansible_distribution_major_version <= '7'
+
+- name: Add Epel repo 
+  yum:
+    name: epel-release
+    state: present
+  when:
+    - ansible_os_family == 'RedHat'
+    - ansible_distribution_major_version == '8'
+
+- name: Ensure python3-docker installed
+  yum:
+    name: python3-docker
+    state: present
+  when:
+    - ansible_os_family == 'RedHat'
+    - ansible_distribution_major_version == '8'

tasks/main.yml

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+---
+
+- include_tasks: centos.yml
+  when: ansible_os_family == 'RedHat'